Via : http://www.webpronews.com/
1. Bidding Broad
2. Fighting for #1 Spot
3. Avoiding Geo-targeting
4. Losing Relevance on Landing Page
5. Getting Rid of Fraud Networks
6. Being Boring
7. Using Telephone Numbers
8. Not Bidding for Your Name
9. Lack of Affiliate Control
10. Not Separating Content Match from Search Results
11. Ignoring the Seasonal Copy
12. Lack of “Exact Tracking”
13. Paying for Negative Keywords
14. Mistaking CTR with conversion rate when testing ads
15. Not Using Keywords in Ad Copy
16. Not Highlighting Issues With Google
17. Avoiding Competitor Brand Name Keywords
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